Thailand remains genuinely attractive for foreign entrepreneurs, but the legal structure you choose at the outset shapes everything that follows, from how much of the business you can own to how easily you can get a work permit. Getting this right from the start avoids a costly restructure later.

The default position: 49 percent foreign ownership

Under the Foreign Business Act, a standard Thai Limited Company generally caps foreign ownership at 49 percent, with a Thai partner or partners holding the remaining 51 percent. This is the default position for most business activities, and it’s worth understanding clearly before assuming you’ll simply own your Thai company outright the way you might at home.

Three legitimate paths to full ownership

Three recognised routes allow 100 percent foreign ownership. BOI promotion, available for eligible sectors such as technology, manufacturing, and various high-value services, generally offers the strongest overall package. A Foreign Business Licence, issued by the Department of Business Development, can grant full ownership for restricted activities, though approval isn’t guaranteed and the process typically takes three to six months. The US-Thailand Treaty of Amity allows American citizens and US-majority companies to hold up to 100 percent ownership in most sectors, a privilege specific to that nationality.

Why nominee shareholders are not a shortcut

It’s worth being direct about this: using Thai nominee shareholders, people who hold shares on paper without genuinely investing, to work around the 49 percent rule is illegal, not a grey area. Enforcement has intensified in recent years, with authorities scrutinising beneficial ownership, capital flow, and voting rights arrangements more closely than before. The consequences fall on both the foreign investor and the Thai nominee, and can include fines and forced dissolution of the business. If a proposed structure sounds like it’s quietly working around foreign ownership limits, that’s worth treating as a serious warning sign rather than a convenient solution.

BOI promotion in more detail

For eligible businesses, typically in technology, manufacturing, R&D, and various digital or high-value services, BOI promotion is generally the preferred route. Beyond 100 percent foreign ownership, it can unlock corporate income tax exemptions running up to 13 years for qualifying high-technology categories, import duty exemptions, land ownership rights for industrial projects, and a considerably more favourable work permit process than the standard structure. The tradeoff is a more involved application, generally requiring a feasibility study and formal proposal, with approval timelines ranging from around a month for straightforward cases to several months for larger projects.

What company registration actually involves

A private limited company requires a minimum of three shareholders, who can be Thai nationals, foreigners, or a mix, provided they’re genuinely investing rather than acting as nominees. As of 2026, all private limited company registrations in Thailand go through the digital DBD Biz Regist platform, which does allow remote submission, though the underlying legal and structural decisions still benefit from proper guidance before you file. Certain sectors, including food businesses, hospitality, clinics, financial services, and construction, require additional licences beyond standard company registration, and some of these carry lengthy approval timelines worth planning around early.

Capital requirements and work permits

Foreign-owned companies generally need at least 2 million THB in registered capital per foreign work permit sought, and the standard staffing ratio requires four Thai employees for every one foreign work permit holder, unless the company holds BOI promotion, which relaxes this considerably. These aren’t just formalities; they’re structural requirements that shape how you plan headcount and capital from day one.

A note on recent changes

Thailand delisted 10 business categories from Foreign Business Act restrictions in 2026, allowing foreign nationals in those newly delisted categories to operate without needing a Foreign Business Licence or BOI approval at all. This is a meaningful shift and worth checking specifically against your intended business activity, since it may simplify your structure considerably compared to older guidance you might come across online.

Final thoughts

Starting a business in Thailand as a foreigner is genuinely achievable through several legitimate structures, but the right one depends heavily on your specific sector, ownership goals, and appetite for the BOI application process versus a simpler Thai-partnered structure. Getting proper legal and accounting guidance before you register, not after, is what separates a smooth setup from an expensive correction later.

For guidance on the right structure for your business, get in touch, or explore JLIT’s directory of local professional services.